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b4e8c8dd TS |
1 | /* |
2 | * Device Tree Source for IBM Embedded PPC 476 Platform | |
3 | * | |
4 | * Copyright 2010 Torez Smith, IBM Corporation. | |
5 | * | |
6 | * Based on earlier code: | |
7 | * Copyright (c) 2006, 2007 IBM Corp. | |
8 | * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com> | |
9 | * | |
10 | * This file is licensed under the terms of the GNU General Public | |
11 | * License version 2. This program is licensed "as is" without | |
12 | * any warranty of any kind, whether express or implied. | |
13 | */ | |
14 | ||
15 | /dts-v1/; | |
16 | ||
17 | /memreserve/ 0x01f00000 0x00100000; | |
18 | ||
19 | / { | |
20 | #address-cells = <2>; | |
21 | #size-cells = <1>; | |
22 | model = "ibm,iss-4xx"; | |
23 | compatible = "ibm,iss-4xx"; | |
24 | dcr-parent = <&{/cpus/cpu@0}>; | |
25 | ||
26 | aliases { | |
27 | serial0 = &UART0; | |
28 | }; | |
29 | ||
30 | cpus { | |
31 | #address-cells = <1>; | |
32 | #size-cells = <0>; | |
33 | ||
34 | cpu@0 { | |
35 | device_type = "cpu"; | |
36 | model = "PowerPC,4xx"; // real CPU changed in sim | |
37 | reg = <0>; | |
38 | clock-frequency = <100000000>; // 100Mhz :-) | |
39 | timebase-frequency = <100000000>; | |
40 | i-cache-line-size = <32>; | |
41 | d-cache-line-size = <32>; | |
42 | i-cache-size = <32768>; | |
43 | d-cache-size = <32768>; | |
44 | dcr-controller; | |
45 | dcr-access-method = "native"; | |
46 | status = "ok"; | |
47 | }; | |
48 | cpu@1 { | |
49 | device_type = "cpu"; | |
50 | model = "PowerPC,4xx"; // real CPU changed in sim | |
51 | reg = <1>; | |
52 | clock-frequency = <100000000>; // 100Mhz :-) | |
53 | timebase-frequency = <100000000>; | |
54 | i-cache-line-size = <32>; | |
55 | d-cache-line-size = <32>; | |
56 | i-cache-size = <32768>; | |
57 | d-cache-size = <32768>; | |
58 | dcr-controller; | |
59 | dcr-access-method = "native"; | |
60 | status = "disabled"; | |
61 | enable-method = "spin-table"; | |
62 | cpu-release-addr = <0 0x01f00100>; | |
63 | }; | |
64 | cpu@2 { | |
65 | device_type = "cpu"; | |
66 | model = "PowerPC,4xx"; // real CPU changed in sim | |
67 | reg = <2>; | |
68 | clock-frequency = <100000000>; // 100Mhz :-) | |
69 | timebase-frequency = <100000000>; | |
70 | i-cache-line-size = <32>; | |
71 | d-cache-line-size = <32>; | |
72 | i-cache-size = <32768>; | |
73 | d-cache-size = <32768>; | |
74 | dcr-controller; | |
75 | dcr-access-method = "native"; | |
76 | status = "disabled"; | |
77 | enable-method = "spin-table"; | |
78 | cpu-release-addr = <0 0x01f00200>; | |
79 | }; | |
80 | cpu@3 { | |
81 | device_type = "cpu"; | |
82 | model = "PowerPC,4xx"; // real CPU changed in sim | |
83 | reg = <3>; | |
84 | clock-frequency = <100000000>; // 100Mhz :-) | |
85 | timebase-frequency = <100000000>; | |
86 | i-cache-line-size = <32>; | |
87 | d-cache-line-size = <32>; | |
88 | i-cache-size = <32768>; | |
89 | d-cache-size = <32768>; | |
90 | dcr-controller; | |
91 | dcr-access-method = "native"; | |
92 | status = "disabled"; | |
93 | enable-method = "spin-table"; | |
94 | cpu-release-addr = <0 0x01f00300>; | |
95 | }; | |
96 | }; | |
97 | ||
98 | memory { | |
99 | device_type = "memory"; | |
100 | reg = <0x00000000 0x00000000 0x00000000>; // Filled in by zImage | |
101 | ||
102 | }; | |
103 | ||
104 | MPIC: interrupt-controller { | |
105 | compatible = "chrp,open-pic"; | |
106 | interrupt-controller; | |
107 | dcr-reg = <0xffc00000 0x00030000>; | |
108 | #address-cells = <0>; | |
109 | #size-cells = <0>; | |
110 | #interrupt-cells = <2>; | |
111 | ||
112 | }; | |
113 | ||
114 | plb { | |
115 | compatible = "ibm,plb-4xx", "ibm,plb4"; /* Could be PLB6, doesn't matter */ | |
116 | #address-cells = <2>; | |
117 | #size-cells = <1>; | |
118 | ranges; | |
119 | clock-frequency = <0>; // Filled in by zImage | |
120 | ||
121 | POB0: opb { | |
122 | compatible = "ibm,opb-4xx", "ibm,opb"; | |
123 | #address-cells = <1>; | |
124 | #size-cells = <1>; | |
125 | /* Wish there was a nicer way of specifying a full 32-bit | |
126 | range */ | |
127 | ranges = <0x00000000 0x00000001 0x00000000 0x80000000 | |
128 | 0x80000000 0x00000001 0x80000000 0x80000000>; | |
129 | clock-frequency = <0>; // Filled in by zImage | |
130 | UART0: serial@40000200 { | |
131 | device_type = "serial"; | |
132 | compatible = "ns16550a"; | |
133 | reg = <0x40000200 0x00000008>; | |
134 | virtual-reg = <0xe0000200>; | |
135 | clock-frequency = <11059200>; | |
136 | current-speed = <115200>; | |
137 | interrupt-parent = <&MPIC>; | |
138 | interrupts = <0x0 0x2>; | |
139 | }; | |
140 | }; | |
141 | }; | |
142 | ||
143 | nvrtc { | |
144 | compatible = "ds1743-nvram", "ds1743", "rtc-ds1743"; | |
145 | reg = <0 0xEF703000 0x2000>; | |
146 | }; | |
147 | iss-block { | |
148 | compatible = "ibm,iss-sim-block-device"; | |
149 | reg = <0 0xEF701000 0x1000>; | |
150 | }; | |
151 | ||
152 | chosen { | |
153 | linux,stdout-path = "/plb/opb/serial@40000200"; | |
154 | }; | |
155 | }; |